Boiler



R. C'EDERBLOM May 1, 1923.

BOILER 2 Shets-Sheet 1 Filed March 1920 May 1, 1923.

R. CEDERBLOM BOILER Filed March 1920 2 Shoets-She'et 2 1a 7 Z l L IPatented May 1, 1923.

UNETE earner RAGNAR onnnnnno vr, or Younesrown, onro.

insane ar as.

BOILER.

Application filed March 8, 1920.

T all whom it may concern Be it known that I, RAGNAR Cnonnnnorn'ac1t1zen of the United States, residing in the city of Youngstown, countyof hilahoning, 5 and State of Ohio, have invented certain new and usefulImprovements in Boilers, of whlch the following is a speclficatmn.

This invention relates to improvements in boiler construction of thetubular type and has for its object to provide a construction whereinthe feed water is caused to circulate through an economizer in theheating zone of the furnace connected therewith, thereby causing theotherwise wasted heat 1 from the gases escaping to-the stack tocirculate around the economizer composed of tubes, arranged in thefurnace, through which the incoming or feed water or liquid iscirculated before mingling with the water in the boiler.

As the ordinary economizer is a costly and complicated apparatusrequiring considerable space which is often not available and in generalis too expensive, I have devised a simple and inexpensive devicewhichcan'be applied to boilers, which will increase the available heatfor such boilers and thus increase their efficiency.

In the accompanying drawings:

Fig. 1 is a cross section through a furnace and boiler having. mylmprovements applied thereto.

Fig. 2 is a fragmentary sectional detail of two of the drums of atubular boiler showingvmy improvements applied thereto.

ig. 3 is a fragmentary sectional detail of a modified form ofconstruction of part of my device.

Fig. 4 is a detail of a' deflector plate and strap connections, partsconnected by'brackets are enlarged.

With reference to the drawings, A is a furnace provided with the upperdrums B, C and D, connected at their bottoms through e the tubes 6, cand d to the drum E located adjacent the bridge wall F of the furnace.The drums B. C and D are connected by tubes F, G, H and I.

The feedwater pipe J leadsinto the drum B and is deflected at y andconnects with branch pipes K and K which in turn connect with pipes Land L which are closed at their ends by caps or plugs Z and Z. The pipesL and L are provided with curved tubes M Which enter the first row oftubes 6 through suitable plugs m.

Serial "No. 363,977.

- The drum E has a deflector plate N se-i cured to straps N, whichstraps are provided: wlth turn-bolt connections 0% whereby the deflectorplate; is clamped within the drum E,"and covers the ends of the firstand; sec-1 0nd row of tubes 6. The deflectorplate-is provided with ablowofl' pipe 0. I

It will be noted that the incoming water or fluid will be forceddownwardly throu h the first row of tubes Z) into the chamber formed bythe plate N and the wall of the drum- E, and upwardly through the secondrow of tubes 6 into the drum 1?) before min-- gling with the water inthe boiler and in so doing is subjected to the heat generated from thegases at the back of the furnace that are about to escape through thestack,

Thisarrangement is inexpensive and can be applled to most boilers oftubular construction, thereby utilizing heat that is at ,pre sent wastedand consequently reducing the cost of operation.

In Fig.v 3 of the drawings I have shown p the number of tubes connectingdrums B and a modified construction wherein I increase E by introducinga simple'return bend connection as shown at 19 I do not wish to limitmyself to the precise details of construction shown, as changesmaybejmade without departing from the spirit of my invention.

I claim as my invention:

1. A boiler of the class described, comprising a plurality of drumshaving tubular connections with each other, of means for feeding liquidinto certain of thetubular connections, said connections being coupledto a header and feed water pipe in one drum and communicating through achamber in another drum formed by an adjustable and removable partitiontherein, whereby the to a header and feed water pipe in one drum andcommunicating through a chamber in another drum formed by an adjustableand removable partition therein, said partition comprising a. platesecured to straps provided with means whereby the plate and straps arecaused to tightly engage the inner Wall of the drum, thereby causing theliquid in the tubular connections to circulate independently of theliquid contained in the drums the tubular connections passing throughthe heating zone of the boiler.

3. A boiler of the class described, comprising a plurality of drumshaving tubular connections With each other, of means for feeding liquidinto certain of the tubular connections, said connections being coupledto a header and feed water pipe in one drum and communicating through achamber in another drum formed by an adjustable and removable partitiontherein, said partition comprising a plate secured to straps havingturnback connections with each other adapt ed to secure the plateclosely Within the drum whereby the liquid in the said tubularconnections is caused to circulate independently of the liquid containedin the drums, said tubular connections passing through the heating zoneof the boiler.

RAGNAR oEDnnBLoM'

